47275164 has 72 divisors (see below), whose sum is σ = 131262768. Its totient is φ = 14826240.

The previous prime is 47275141. The next prime is 47275169. The reversal of 47275164 is 46157274.

47275164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47275164² = 4469882262453792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47275169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15094 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (1823094).

Almost surely, 2^47275164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47275164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65631384).

47275164 is an abundant number, since it is smaller than the sum of its proper divisors (83987604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47275164 is a wasteful number, since it uses less digits than its factorization.

47275164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2883 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 47275164 is about 6875.6937104557. The cubic root of 47275164 is about 361.5855068819.

The spelling of 47275164 in words is "forty-seven million, two hundred seventy-five thousand, one hundred sixty-four".